swaploader SL-520X - Maintenance; Service Intervals and Procedures

SectionIV:Maintenance
4.0.MAI.SL-520X
MAINTENANCE INSTRUCTIONS
WEEKLY SERVICE
(50 OPERATIONS)
1. Lubricate with grease (refer to lubrication diagram).
 Lifting hook on jib (if operating the adjustable jib be sure to
rotate and grease hook).
 Jib slide - top, bottom, and side guides.
2. Check hydraulic oil level. with the hoist in the transport position (lift
cylinders retracted and jib cylinder extended – see diagram on front
cover) the oil level in the
tank should read
approximately one inch
below the top of the
glass sight on the
temperature/sight gauge
(see diagram ).
3. Check hydraulic hose
and fittings for leaks.
Also check hydraulic
hose for wear. Repair
and/or retighten as
necessary.
MONTHLY SERVICE
(200 OPERATIONS)
1. Lubricate with grease (refer to lubrication diagram)
 Fittings on lift cylinders (quantity: 4).
 Front pins on rear pivot joint weldment (quantity: 2).
 Fittings on rear pivot pins and rollers (quantity: 4).
2. Check all bolts and retighten as required.
3. Check adjustments on mast lock (safety latch) mechanism. Refer
to the Mast Lock Inspection & Adjustment Instructions on Pg. 4-4 of
the Maintenance section.
4. Check adjustments on the jib lockout valve. Refer to the Jib
Lockout Valve Inspection & Adjustment Instructions on Pg. 4-5 &
4-6 of the Maintenance section.
YEARLY SERVICE
1. Check for proper gapping on outer tube. Refer to the Outer Tube
and Jib Wear Pad Replacement Instructions on Pg.
4-8 of the Maintenance section.
2. Change hydraulic oil, replace hydraulic filter element, and wash out
suction strainer.
3. Check main relief valve setting. Refer to the pressure check
instructions on Pg. 4-7 of the Maintenance section (pressure should
be 4,650 psi minimum).
4-1